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Species
Usnea longissima
Old Man's Beard
Species of fungus in the genus Usnea in the family Parmeliaceae.
When does Usnea longissima grow?
The chart below shows when Usnea longissima is most commonly found.
Northern Southern
Where does Usnea longissima grow?
The map below shows where Usnea longissima is most commonly found.
Does Usnea longissima have lookalikes?
The list below shows Usnea longissima similar species.
